Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.307845] ================================================================== [ 23.307985] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 23.308115] Write of size 1 at addr fff00000c77de00a by task kunit_try_catch/148 [ 23.308332] [ 23.308858] CPU: 0 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 23.309060] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.309131] Hardware name: linux,dummy-virt (DT) [ 23.309207] Call trace: [ 23.309264] show_stack+0x20/0x38 (C) [ 23.309422] dump_stack_lvl+0x8c/0xd0 [ 23.309555] print_report+0x118/0x608 [ 23.309668] kasan_report+0xdc/0x128 [ 23.309765] __asan_report_store1_noabort+0x20/0x30 [ 23.309828] kmalloc_large_oob_right+0x278/0x2b8 [ 23.309888] kunit_try_run_case+0x170/0x3f0 [ 23.309949] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.310014] kthread+0x328/0x630 [ 23.310072] ret_from_fork+0x10/0x20 [ 23.310131] [ 23.310176] The buggy address belongs to the physical page: [ 23.310217] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077dc [ 23.310281] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.310333] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 23.310467] page_type: f8(unknown) [ 23.310675] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 23.311203] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 23.311718] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 23.311844] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 23.311964] head: 0bfffe0000000002 ffffc1ffc31df701 00000000ffffffff 00000000ffffffff [ 23.312088] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 23.312192] page dumped because: kasan: bad access detected [ 23.313061] [ 23.313112] Memory state around the buggy address: [ 23.313959] fff00000c77ddf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.314442] fff00000c77ddf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.314580] >fff00000c77de000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.314687] ^ [ 23.314766] fff00000c77de080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.314883] fff00000c77de100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.315395] ==================================================================
[ 11.076186] ================================================================== [ 11.076990] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 11.077739] Write of size 1 at addr ffff88810234200a by task kunit_try_catch/166 [ 11.078464] [ 11.078993] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 11.079088] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.079102] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.079127] Call Trace: [ 11.079147] <TASK> [ 11.079172] dump_stack_lvl+0x73/0xb0 [ 11.079213] print_report+0xd1/0x650 [ 11.079238] ? __virt_addr_valid+0x1db/0x2d0 [ 11.079260] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.079285] ? kasan_addr_to_slab+0x11/0xa0 [ 11.079327] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.079359] kasan_report+0x141/0x180 [ 11.079391] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.079429] __asan_report_store1_noabort+0x1b/0x30 [ 11.079458] kmalloc_large_oob_right+0x2e9/0x330 [ 11.079488] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 11.079519] ? __schedule+0x10cc/0x2b60 [ 11.079551] ? __pfx_read_tsc+0x10/0x10 [ 11.079579] ? ktime_get_ts64+0x86/0x230 [ 11.079613] kunit_try_run_case+0x1a5/0x480 [ 11.079669] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.079698] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.079732] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.079763] ? __kthread_parkme+0x82/0x180 [ 11.079793] ? preempt_count_sub+0x50/0x80 [ 11.079828] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.079852] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.079874] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.079895] kthread+0x337/0x6f0 [ 11.079911] ? trace_preempt_on+0x20/0xc0 [ 11.079934] ? __pfx_kthread+0x10/0x10 [ 11.079950] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.079970] ? calculate_sigpending+0x7b/0xa0 [ 11.079992] ? __pfx_kthread+0x10/0x10 [ 11.080010] ret_from_fork+0x41/0x80 [ 11.080030] ? __pfx_kthread+0x10/0x10 [ 11.080046] ret_from_fork_asm+0x1a/0x30 [ 11.080077] </TASK> [ 11.080090] [ 11.090415] The buggy address belongs to the physical page: [ 11.091698] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102340 [ 11.092154] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.093131] flags: 0x200000000000040(head|node=0|zone=2) [ 11.093396] page_type: f8(unknown) [ 11.094102] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.094675] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.095444] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.096012] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.097076] head: 0200000000000002 ffffea000408d001 00000000ffffffff 00000000ffffffff [ 11.097362] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.097857] page dumped because: kasan: bad access detected [ 11.098107] [ 11.098334] Memory state around the buggy address: [ 11.098708] ffff888102341f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.099035] ffff888102341f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.099324] >ffff888102342000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.100275] ^ [ 11.100577] ffff888102342080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.101327] ffff888102342100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.101873] ==================================================================